For years, social media users have shared images and videos they claimed show Elephant Rock, a naturally formed geological ...

"It's the only rock we eat," writes The Salt ... of purity "and so we can use a variety of different geologic formations where salt was deposited in ancient oceans. In the past, in different ...

M. Margneritte, of Paris, well-known as a distinguished chemist, has discovered a valuable mode of purifying rock and sea salt. The latter is, for the most part, delivered for consumption in such ...

American Rock Salt in the Finger Lakes has boosted production by 25% to try to meet demand from its customers, including municipalities throughout Western New York, the company said Monday.